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Detailed explanation-1: -Scientists, including Albert Einstein and Erwin Schrödinger, first discovered the phenomenon of entanglement in the 1930s. In 1972, John Clauser and Stuart Freedman were the first to prove experimentally that two widely separated particles can be entangled.

Detailed explanation-2: -For the first time ever, physicists have managed to take a photo of a strong form of quantum entanglement called Bell entanglement-capturing visual evidence of an elusive phenomenon which a baffled Albert Einstein once called ‘spooky action at a distance’.

Detailed explanation-3: -Einstein, Podolsky and Rosen introduced the concept of entanglement in 1935 in an attempt to demonstrate that quantum mechanics is not a complete theory, this includes a discussion of what is reality and what is a complete physical theory.

Detailed explanation-4: -Two of them, John Clauser of J.F. Clauser & Associates and Alain Aspect of the University of Paris-Saclay and the Polytechnic Institute of Paris, proved quantum entanglement-which Albert Einstein derided as “spooky action at a distance”-cannot be explained by more intuitive classical physics.